\begin{table}%t2
\caption{Information on the used data sets. For each event we list the instrument, wavelength, cadence, and pixel scale of the image time series. A ``yes'' in the Saturation-column indicates that the observations were saturated during the impulsive phase of the event. The last two columns give the used instrument and energy band of the observed nonthermal HXR emission.} \label{tab:2}
%\centering
\par
\begin{tabular}{c|c c c c c |c c}
  \hline \hline
   &   \multicolumn{5}{|c|}{Image time series} &  \multicolumn{2}{|c}{HXRs} \\
  \raisebox{1.2ex}[-1.2ex]{Date} &  Instrument  & Wavelength &
    Cadence [s] & \arcsec/pixel &
     Saturation &  Instrument & Energy [keV] \\
\hline
   2003 Oct. 28 & Meudon Obs. & H$\alpha$ blue wing &  $\sim$60  & 1.9  & no  &
     INTEGRAL/SPI & $>$150\\
  2003 Nov. 18 & TRACE & 1600~{\AA} & $\sim$23 & 0.5 & no & RHESSI & 20--60\\
  2005 Jan. 15 & TRACE & 1600~{\AA} & $\sim$10 & 0.5 & no &  RHESSI & 30--100\\
   & BBSO & H$\alpha$ line center & $\sim$60 & 1.05 & yes &  & and 100--300\\
  2006 Jul. 06 & Hvar Obs. & H$\alpha$ line center & $\sim$4 & 0.3 & yes & 
    RHESSI & 20--50\\
  2007 May 19 & KSO & H$\alpha$ line center & $\sim$60 & 2.2 & yes &  RHESSI & 15--50\\
  \hline
\end{tabular}
\end{table}